Information
• A reference guide easy to use
• Net unobstructed opening
• Specification guidelines for engineering designs
• Corrosion
TABLE 1: General indication on the behavior of certain materials according to the pH
|
Aluminium |
Stainless Steel
304 |
Stainless Steel
316 |
Galvanized Steel |
Acid |
Strong concentration pH 0 @ 4 |
M |
B |
TB |
M |
Acid |
Weak concentration
pH 4 @ 6 |
TB |
TB |
E |
B |
Neutral |
PH 7 et 8 |
TB |
TB |
E |
TB |
Base |
Weak concentration
pH 9 @ 12 |
TB |
TB |
E |
B |
Base |
Strong concentration pH 12 @ 14 |
M |
B |
TB |
M |
TABLE 2: Behavior of certain materials in various environments
Environment |
Aluminium |
Anodized Aluminum |
Stainless Steel
304 |
Stainless Steel
316 |
Galvanized Steel |
|
Interior |
E |
E |
E |
E |
E |
Rural
Outdoor |
E |
E |
E |
E |
E |
Urban
Outdoor |
E |
E |
E |
E |
B |
Marine
Outdoor |
TB |
TB |
B |
TB |
B |
Bituminous |
E |
E |
E |
E |
E |
Hydrocarbons |
TB |
TB |
TB |
E |
B |
Gas Pollution
|
Halogens (Fluorine, chlorine, iodine) |
B |
TB |
B |
E |
M |
Carbon dioxide CO2 |
E |
E |
E |
E |
M |
Bisulphide of carbon CS2 |
E |
E |
E |
E |
M |
Acid |
Hydrochloric Acid HCl |
B |
B |
B |
TB |
B |
Sulphuric Acid
H2SO4 |
B |
B |
B |
TB |
B |
Alkaline |
Sodium Hydroxide NaOH |
TB |
E |
TB |
B |
B |
Sodium Bicarbonate NaHCO3 |
B |
TB |
TB |
TB |
B |
Saline |
Sodium Chloride
NaCl |
B |
TB |
TB |
B |
B |
Calcium Chloride
CaCl |
B |
TB |
TB |
B |
B |
|
Drinking
water |
TB |
TB |
TB |
E |
M |
Wastewater |
TB |
TB |
E |
E |
B |
Hydrogen
(H2) |
E |
E |
E |
E |
E |
Oxygen
(O2) |
E |
E |
E |
E |
E |
Legend: E Excellent Exceed expectation
VG Very good Ideal use
G Good Restricted Lifespan
B Bad To avoid
N.B.: These informations are release only as a primarily guideline. We are not responsible for the final choice of materials used in any environment and its consequences. |
